Affiliation: | (1) Department of Radiology B, University Hospital, Strasbourg, France;(2) Department of Radiology, University Hospital, Besançon, France;(3) Department of Neurosurgery, University Hospital, Besançon, France;(4) Service de Radiologie B, Hôpital Civil, Pavillon Clovis Vincent, Hôpitaux Universitaires, F-6709 I Strasbourg Cedex, France |